| 中华鲟人工繁殖放流现状评价 |
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| 引用本文： | 肖慧,刘勇,常剑波.中华鲟人工繁殖放流现状评价[J].水生生物学报,1999(6). |
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| 作者姓名： | 肖慧 刘勇 常剑波 |
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| 作者单位： | 中国葛洲坝集团公司中华鲟研究所!宜昌443100(肖慧，刘勇)，中国科学院水生生物研究所!武汉430070(常剑波) |
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| 基金项目： | 国务院三峡办，中国长江三蛱工程开发总公司资助[SX(95)63/KY-3] |
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| 摘 要： | 1984-1998年,在长江葛洲坝水利枢纽下游江段,中国集团公司中华鲟研究所共捕捞663尾中华鲟亲鱼用于人工繁殖。各年的捕捞量变动在31—60尾之间。实际用于人工催产的亲鱼年利用率变动在3.1—91.7％之间。平均28.4％。催产卵的年受精率变动在0—85.0％之间,平均66.5％。年人工孵化鲟苗量变动在5—151.9万尾之间,平均54.3万尾。历年合计向长江放流初孵鲟苗4258万尾、幼鲟6.28万尾。经过多年的实践,中华鲟的人工催产,幼鲟孵化、培育和放流等方面的技术已经发展成熟。
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| 关 键 词： | 中华鲟 人工繁殖 人工放流 |
EVALUATION ON STATUS OF ARTIFICIAL PROPAGATION AND RELEASING OF CHINESE STURGEON IN THE YANGTZE RIVER |
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| Xiao Hui,Chang Jianbo and Liu Yong.EVALUATION ON STATUS OF ARTIFICIAL PROPAGATION AND RELEASING OF CHINESE STURGEON IN THE YANGTZE RIVER[J].Acta Hydrobiologica Sinica,1999(6). |
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| Authors: | Xiao Hui Chang Jianbo and Liu Yong |
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| Institution: | Xiao Hui1,Chang Jianbo2 and Liu Yong1 |
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| Abstract: | For the purpose of artifical propagation, a total of 663 individuals of Chinese sturgeon (Acipenser sinensis) were captured in the section below the Gezhouba Dam in the Yangtze River from 1984 to 1998. The annual capture was from 31 to 60 ones. The percentages of artificially parturifacient individuals in annual captures ranged from 3.1 to 91.7% with a mean of 28.43% . Those of fertilized eggs in total annual egg deposition were from 0 to 85.0% with mean of 66.5%, and a mean of 543000 (ranging from 50000 to 1519000) newly hatched larvae as obtained annually. A total of 4.258 millions of larvae and 62800 of juveniles have been released into the Yangtze River during the investigation period. The techniques of artificial propagating, larval hatching, juvenile rearing and releasing of the fish were well developed. |
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| Keywords: | Chinese sturgeon Artificial propagation Releasing |
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